Window shade



FIG. 1 is a front view of a window shade which embodies my design;

FIG. 2 is a top view of the FIG. 1 design;

FIG. 3 is a side view of the FIG. 1 design;

FIG. 4 is a partial enlarged view of the FIG. 1 design; and,

FIG. 5 is an alternative embodiment of a partial enlarged view of the FIG. 1 design.

The broken line showing of a window sill in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a window shade, as shown and described. 